Citazione Stile APA (7a Edizione)

The American Psychological Association. (2010). Publication Manual, sixth Edition (6th ed.). The American Psychological Association.

Citazione stile Chigago Style (17a edizione)

The American Psychological Association. Publication Manual, Sixth Edition. 6th ed. Washington D.C: The American Psychological Association, 2010.

Citatione MLA (9a ed.)

The American Psychological Association. Publication Manual, Sixth Edition. 6th ed. The American Psychological Association, 2010.